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A block of mass M is pulled all along a horizontal frictionless surface through a rope of mass m. The horizontal force F is exerted to one end of the rope. (i) Illustrate that the rope should sag, e
A battery of 12 volt is joined in series with a 2 Ohm and a 1 Ohm resistor. These are joined in series having three additional resistors which are in parallel with each other of values 3 Ohm, 4 Ohm,
A wire of resistance 5.0 Ohm and length 1.0 m. It is uniformly stretched to a length of 2.0 m. Determine its new resistance?
Determine the potential difference across a 100 m length of copper wire which consists of a diameter of 0.5 mm if it carries a current of 15 A? The resistivity of copper is around1.7 x 10-8 Ohm m.
A charge of -2.0 nC and a charge of +2.0 nC are positioned on the x-axis at x = -1.0 cm and x = +1.0 cm, correspondingly. i) At what position or positions on the x-axis is the electric field zero?
determine: (i) the reactance of the capacitor and the inductor (ii) the impedance (iii) the rms current (iv) the current amplitude (v) the phase angle
A wire of diameter 1 mm consists of a resistance of 0.5 ohm. Determine the resistance of the other wire of the similar material and the similar length but of diameter 0.5 mm?
The magnification M of image is calculated by employing a small viewing telescope which permits a comparison of the image formed by the cornea with a second calibrated image projected into the field
The two astronauts on opposite ends of a spaceship are comparing lunches. One consists of an apple, the other has an orange. They decide to trade.
Determine the period of motion of the proton (determine how much time does it take for the proton to travel a circle once)?
Determine the difference in radius of curvature of the motion of singly ionized 35Cl and 37Cl when the mass of the 35Cl is 5.87 x 10-26 kg?
A 35 turn circular coil of length 6.5 cm generates a magnetic field of magnitude 2.4 mT at its center. Determine the current in the loop.
Supposing these numbers are for viewing an object an infinite distance away with minimum eyestrain, determine the focal length of each of the two lenses?
Determine the magnitude of the torque on the coil if the magnetic field makes an angle of 26° with the normal to the plane of the coil.
A magnetic force per unit length of 0.10 N/m acts on the conductor in the negative y-direction. Compute the magnitude and direction of the magnetic field in the area through which the current passes
The electron is accelerated via 2350 V from rest and then enters an area where there is a uniform 1.70 T magnetic field. Determine the maximum and minimum magnitudes of the magnetic force acting on
A laboratory electromagnet generates a magnetic field of magnitude 3.60 T. A proton moves via this field with a speed of 7.00*10^6 m/s. (i) Determine the magnitude of the maximum magnetic force whic
A thin lens of a focal length 12.5 cm consists of a 5.0 cm tall object positioned 10 cm in front of it. Where will the image be made?
A 500 line/mm diffraction grating is illuminated through light of wavelength 510 m. Determine how many bright fringes are view on a 2.0-m-wide screen positioned behind the grating?
A concave mirror consist s of a object located 40cm in front of it. The image forms 60 cm in front of the mirror. Determine the focal length of the mirror?
Determine the intensity of busy street traffic when the decibel level is 70 db? Keep in mind that the threshold of hearing is 0 dB and consists of an intensity of 1.0 E-12 W/m2.
A stiff wire bent to the semicircle of radius a = 2cm is rotated at constant angular speed 40rev/s in a uniform 20mT magnetic field. Determine the i) frequency and ii) amplitude of the emf induced i
When the screen extends 90 cm to either side from the central maximum, determine how many bright fringes will become visible on it?
The olive is at the bottom of a glass of alcohol (n = 1.36), 6.69 cm below the surface. Above the alcohol is air. To a person in the air, who is directly above the olive, determine the apparent dept
An air track cart of 330g on a horizontal air track is joined to a string which goes over a pulley having a moment of inertia of 5.00e-6kg m^2 and a radius of 1.35cm. A mass of 255g suspends from th